000 00245nam a22000977a 4500
999 _c11519
_d11519
008 190531b ||||| |||| 00| 0 eng d
020 _a9788177394498
100 _aAggarwal,M.L.
_97232
245 _aMathematics-X
260 _aNew Delhi
_bAvichal
_c2016